/Engine/Source/Runtime/CoreUObject/Public/Internationalization/PackageLocalizationManager.h
Initialize the manager using the given cache. This will perform an initial scan for localized packages.
void InitializeFromCache ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IPackageLocalizationCache](API\Runtime\CoreUObject\Internationalization\IPackageLocalizationCache) > & InCache )